| 年度 | 实际值 |
|---|---|
| 1995 | 4661982 |
| 1996 | 6577863 |
| 1997 | 6142348 |
| 1998 | 5771162 |
| 1999 | 5148253 |
| 2000 | 5661700 |
| 2001 | 6307331 |
| 2002 | 7488920 |
| 2003 | 9012427 |
| 2004 | 11754647 |
| 2005 | 12468560 |
| 2006 | 12755938 |
| 2007 | 13075256 |
| 2008 | 13668732 |
| 2009 | |
| 2010 | 19806787 |
| 2011 | 21703103 |
| 2012 | 23813574 |
| 2013 | 28195915 |
| 2014 | 32064773 |
| 2015 | 34689415 |
| 2016 | 37090311 |
| 2017 | 38565278 |
| 2018 | 40331832 |